Solar panel



FIG. 1 is a top plan view of a solar panel, showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof;;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a right side elevation view thereof.

The broken lines shown in the drawing views are included for the purpose of illustrating unclaimed portions of the solar cell that form no part of the claimed design. All elements shown in the top plan view of FIG. 2 are structural lines on the surface and are flat with the top surface. 

CLAIM The ornamental design for a solar panel, as shown and described. 